Fireplace mantel



FIG. 1 is a front perspective view of a fireplace mantel, showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof. 

The ornamental design for a fireplace mantel, substantially as shown and described. 